1#!/usr/bin/env bash 2# group: auto quick 3# 4# Test case for an image using zstd compression 5# 6# Copyright (c) 2020 Virtuozzo International GmbH 7# 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <http://www.gnu.org/licenses/>. 20# 21 22# creator 23owner=dplotnikov@virtuozzo.com 24 25seq="$(basename $0)" 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30# standard environment 31. ./common.rc 32. ./common.filter 33 34# This tests qocw2-specific low-level functionality 35_supported_fmt qcow2 36_supported_proto file fuse 37_supported_os Linux 38_unsupported_imgopts 'compat=0.10' data_file 39 40COMPR_IMG="$TEST_IMG.compressed" 41RAND_FILE="$TEST_DIR/rand_data" 42 43_cleanup() 44{ 45 _cleanup_test_img 46 _rm_test_img "$COMPR_IMG" 47 rm -f "$RAND_FILE" 48} 49trap "_cleanup; exit \$status" 0 1 2 3 15 50 51# for all the cases 52CLUSTER_SIZE=65536 53 54# Check if we can run this test. 55output=$(_make_test_img -o 'compression_type=zstd' 64M; _cleanup_test_img) 56if echo "$output" | grep -q "Invalid parameter 'zstd'"; then 57 _notrun "ZSTD is disabled" 58fi 59 60echo 61echo "=== Testing compression type incompatible bit setting for zlib ===" 62echo 63_make_test_img -o compression_type=zlib 64M 64$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features 65 66echo 67echo "=== Testing compression type incompatible bit setting for zstd ===" 68echo 69_make_test_img -o compression_type=zstd 64M 70$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features 71 72echo 73echo "=== Testing zlib with incompatible bit set ===" 74echo 75_make_test_img -o compression_type=zlib 64M 76$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 3 77# to make sure the bit was actually set 78$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features 79 80if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then 81 echo "Error: The image opened successfully. The image must not be opened." 82fi 83 84echo 85echo "=== Testing zstd with incompatible bit unset ===" 86echo 87_make_test_img -o compression_type=zstd 64M 88$PYTHON qcow2.py "$TEST_IMG" set-header incompatible_features 0 89# to make sure the bit was actually unset 90$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features 91 92if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then 93 echo "Error: The image opened successfully. The image must not be opened." 94fi 95 96echo 97echo "=== Testing compression type values ===" 98echo 99# zlib=0 100_make_test_img -o compression_type=zlib 64M 101peek_file_be "$TEST_IMG" 104 1 102echo 103 104# zstd=1 105_make_test_img -o compression_type=zstd 64M 106peek_file_be "$TEST_IMG" 104 1 107echo 108 109echo 110echo "=== Testing simple reading and writing with zstd ===" 111echo 112_make_test_img -o compression_type=zstd 64M 113$QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io 114$QEMU_IO -c "read -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io 115# read on the cluster boundaries 116$QEMU_IO -c "read -v 131070 8 " "$TEST_IMG" | _filter_qemu_io 117$QEMU_IO -c "read -v 65534 8" "$TEST_IMG" | _filter_qemu_io 118 119echo 120echo "=== Testing adjacent clusters reading and writing with zstd ===" 121echo 122_make_test_img -o compression_type=zstd 64M 123$QEMU_IO -c "write -c -P 0xAB 0 64K " "$TEST_IMG" | _filter_qemu_io 124$QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io 125$QEMU_IO -c "write -c -P 0xAD 128K 64K " "$TEST_IMG" | _filter_qemu_io 126 127$QEMU_IO -c "read -P 0xAB 0 64k " "$TEST_IMG" | _filter_qemu_io 128$QEMU_IO -c "read -P 0xAC 64K 64k " "$TEST_IMG" | _filter_qemu_io 129$QEMU_IO -c "read -P 0xAD 128K 64k " "$TEST_IMG" | _filter_qemu_io 130 131echo 132echo "=== Testing incompressible cluster processing with zstd ===" 133echo 134# create a 2M image and fill it with 1M likely incompressible data 135# and 1M compressible data 136dd if=/dev/urandom of="$RAND_FILE" bs=1M count=1 seek=1 137QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" \ 138$QEMU_IO -f raw -c "write -P 0xFA 0 1M" "$RAND_FILE" | _filter_qemu_io 139 140$QEMU_IMG convert -f raw -O $IMGFMT -c \ 141-o "$(_optstr_add "$IMGOPTS" "compression_type=zlib")" "$RAND_FILE" \ 142"$TEST_IMG" | _filter_qemu_io 143 144$QEMU_IMG convert -O $IMGFMT -c \ 145-o "$(_optstr_add "$IMGOPTS" "compression_type=zstd")" "$TEST_IMG" \ 146"$COMPR_IMG" | _filter_qemu_io 147 148$QEMU_IMG compare "$TEST_IMG" "$COMPR_IMG" 149 150# success, all done 151echo "*** done" 152rm -f $seq.full 153status=0 154